В общем случае файл в CSV-формате выглядит очень просто:
first name,last name,module1,module2,module3,description student,best,100,100,100,Excellent score student,good,90,"90,2",100,"Good score but could do better" Greg,Dean,70,80,90,"Good job, Greg" Wirt,Wood,80,80.2,80,Nicely done Greg,Dean,70,80,90,"Good job, Greg" Wirt,Wood,80,80.2,80,Nicely done "Greg","Dean","70","80","90","Good job, Greg" "Wirt","Wood","80","80.2","80","Nicely done" "Greg","Dean",70,80,90,"Good job, Greg" "Wirt","Wood",80,80.2,80,"Nicely done"
